keychron_qmk_firmware/keyboards/ergodox_infinity/ergodox_infinity.c
Drashna Jaelre f0b30e0027
Make Swap Hands use PROGMEM (#12284)
This converts the array that the Swap Hands feature uses to use PROGMEM,
and to read from that array, as such. Since this array never changes at
runtime, there is no reason to keep it in memory. Especially for AVR
boards, as memory is a precious resource.
2021-05-09 23:21:09 -07:00

229 lines
6.0 KiB
C

#include QMK_KEYBOARD_H
#include <ch.h>
#include <hal.h>
#include "serial_link/system/serial_link.h"
#ifdef VISUALIZER_ENABLE
#include "lcd_backlight.h"
#endif
#ifdef WPM_ENABLE
# include "serial_link/protocol/transport.h"
# include "wpm.h"
MASTER_TO_ALL_SLAVES_OBJECT(current_wpm, uint8_t);
static remote_object_t* remote_objects[] = {
REMOTE_OBJECT(current_wpm),
};
static uint8_t last_sent_wpm = 0;
#endif
void init_serial_link_hal(void) {
PORTA->PCR[1] = PORTx_PCRn_PE | PORTx_PCRn_PS | PORTx_PCRn_PFE | PORTx_PCRn_MUX(2);
PORTA->PCR[2] = PORTx_PCRn_DSE | PORTx_PCRn_SRE | PORTx_PCRn_MUX(2);
PORTE->PCR[0] = PORTx_PCRn_PE | PORTx_PCRn_PS | PORTx_PCRn_PFE | PORTx_PCRn_MUX(3);
PORTE->PCR[1] = PORTx_PCRn_DSE | PORTx_PCRn_SRE | PORTx_PCRn_MUX(3);
}
#define RED_PIN 1
#define GREEN_PIN 2
#define BLUE_PIN 3
#define CHANNEL_RED FTM0->CHANNEL[0]
#define CHANNEL_GREEN FTM0->CHANNEL[1]
#define CHANNEL_BLUE FTM0->CHANNEL[2]
#define RGB_PORT PORTC
#define RGB_PORT_GPIO GPIOC
// Base FTM clock selection (72 MHz system clock)
// @ 0xFFFF period, 72 MHz / (0xFFFF * 2) = Actual period
// Higher pre-scalar will use the most power (also look the best)
// Pre-scalar calculations
// 0 - 72 MHz -> 549 Hz
// 1 - 36 MHz -> 275 Hz
// 2 - 18 MHz -> 137 Hz
// 3 - 9 MHz -> 69 Hz (Slightly visible flicker)
// 4 - 4 500 kHz -> 34 Hz (Visible flickering)
// 5 - 2 250 kHz -> 17 Hz
// 6 - 1 125 kHz -> 9 Hz
// 7 - 562 500 Hz -> 4 Hz
// Using a higher pre-scalar without flicker is possible but FTM0_MOD will need to be reduced
// Which will reduce the brightness range
#define PRESCALAR_DEFINE 0
void lcd_backlight_hal_init(void) {
// Setup Backlight
SIM->SCGC6 |= SIM_SCGC6_FTM0;
FTM0->CNT = 0; // Reset counter
// PWM Period
// 16-bit maximum
FTM0->MOD = 0xFFFF;
// Set FTM to PWM output - Edge Aligned, Low-true pulses
#define CNSC_MODE FTM_SC_CPWMS | FTM_SC_PS(4) | FTM_SC_CLKS(0)
CHANNEL_RED.CnSC = CNSC_MODE;
CHANNEL_GREEN.CnSC = CNSC_MODE;
CHANNEL_BLUE.CnSC = CNSC_MODE;
// System clock, /w prescalar setting
FTM0->SC = FTM_SC_CLKS(1) | FTM_SC_PS(PRESCALAR_DEFINE);
CHANNEL_RED.CnV = 0;
CHANNEL_GREEN.CnV = 0;
CHANNEL_BLUE.CnV = 0;
RGB_PORT_GPIO->PDDR |= (1 << RED_PIN);
RGB_PORT_GPIO->PDDR |= (1 << GREEN_PIN);
RGB_PORT_GPIO->PDDR |= (1 << BLUE_PIN);
#define RGB_MODE PORTx_PCRn_SRE | PORTx_PCRn_DSE | PORTx_PCRn_MUX(4)
RGB_PORT->PCR[RED_PIN] = RGB_MODE;
RGB_PORT->PCR[GREEN_PIN] = RGB_MODE;
RGB_PORT->PCR[BLUE_PIN] = RGB_MODE;
}
static uint16_t cie_lightness(uint16_t v) {
// The CIE 1931 formula for lightness
// Y = luminance (output) 0-1
// L = lightness input 0 - 100
// Y = (L* / 902.3) if L* <= 8
// Y = ((L* + 16) / 116)^3 if L* > 8
float l = 100.0f * (v / 65535.0f);
float y = 0.0f;
if (l <= 8.0f) {
y = l / 902.3;
}
else {
y = ((l + 16.0f) / 116.0f);
y = y * y * y;
if (y > 1.0f) {
y = 1.0f;
}
}
return y * 65535.0f;
}
void lcd_backlight_hal_color(uint16_t r, uint16_t g, uint16_t b) {
CHANNEL_RED.CnV = cie_lightness(r);
CHANNEL_GREEN.CnV = cie_lightness(g);
CHANNEL_BLUE.CnV = cie_lightness(b);
}
__attribute__ ((weak))
void matrix_init_user(void) {
}
__attribute__ ((weak))
void matrix_scan_user(void) {
}
void matrix_init_kb(void) {
// put your keyboard start-up code here
// runs once when the firmware starts up
matrix_init_user();
// The backlight always has to be initialized, otherwise it will stay lit
#ifndef VISUALIZER_ENABLE
lcd_backlight_hal_init();
#endif
#ifdef WPM_ENABLE
add_remote_objects(remote_objects, sizeof(remote_objects) / sizeof(remote_object_t*));
#endif
}
void matrix_scan_kb(void) {
// put your looping keyboard code here
// runs every cycle (a lot)
#ifdef WPM_ENABLE
if (is_serial_link_master()) {
uint8_t current_wpm = get_current_wpm();
if (current_wpm != last_sent_wpm) {
*begin_write_current_wpm() = current_wpm;
end_write_current_wpm();
last_sent_wpm = current_wpm;
}
} else if (is_serial_link_connected()) {
uint8_t* new_wpm = read_current_wpm();
if (new_wpm) {
set_current_wpm(*new_wpm);
}
}
#endif
matrix_scan_user();
}
bool is_keyboard_master(void) {
return is_serial_link_master();
}
__attribute__ ((weak))
void ergodox_board_led_on(void){
}
__attribute__ ((weak))
void ergodox_right_led_1_on(void){
}
__attribute__ ((weak))
void ergodox_right_led_2_on(void){
}
__attribute__ ((weak))
void ergodox_right_led_3_on(void){
}
__attribute__ ((weak))
void ergodox_board_led_off(void){
}
__attribute__ ((weak))
void ergodox_right_led_1_off(void){
}
__attribute__ ((weak))
void ergodox_right_led_2_off(void){
}
__attribute__ ((weak))
void ergodox_right_led_3_off(void){
}
__attribute__ ((weak))
void ergodox_right_led_1_set(uint8_t n) {
}
__attribute__ ((weak))
void ergodox_right_led_2_set(uint8_t n) {
}
__attribute__ ((weak))
void ergodox_right_led_3_set(uint8_t n) {
}
#ifdef SWAP_HANDS_ENABLE
__attribute__ ((weak))
const keypos_t PROGMEM hand_swap_config[MATRIX_ROWS][MATRIX_COLS] = {
{{0, 9}, {1, 9}, {2, 9}, {3, 9}, {4, 9}},
{{0, 10}, {1, 10}, {2, 10}, {3, 10}, {4, 10}},
{{0, 11}, {1, 11}, {2, 11}, {3, 11}, {4, 11}},
{{0, 12}, {1, 12}, {2, 12}, {3, 12}, {4, 12}},
{{0, 13}, {1, 13}, {2, 13}, {3, 13}, {4, 13}},
{{0, 14}, {1, 14}, {2, 14}, {3, 14}, {4, 14}},
{{0, 15}, {1, 15}, {2, 15}, {3, 15}, {4, 15}},
{{0, 16}, {1, 16}, {2, 16}, {3, 16}, {4, 16}},
{{0, 17}, {1, 17}, {2, 17}, {3, 17}, {4, 17}},
{{0, 0}, {1, 0}, {2, 0}, {3, 0}, {4, 0}},
{{0, 1}, {1, 1}, {2, 1}, {3, 1}, {4, 1}},
{{0, 2}, {1, 2}, {2, 2}, {3, 2}, {4, 2}},
{{0, 3}, {1, 3}, {2, 3}, {3, 3}, {4, 3}},
{{0, 4}, {1, 4}, {2, 4}, {3, 4}, {4, 4}},
{{0, 5}, {1, 5}, {2, 5}, {3, 5}, {4, 5}},
{{0, 6}, {1, 6}, {2, 6}, {3, 6}, {4, 6}},
{{0, 7}, {1, 7}, {2, 7}, {3, 7}, {4, 7}},
{{0, 8}, {1, 8}, {2, 8}, {3, 8}, {4, 8}},
};
#endif